CVE-2026-91997
Medium
Description
evolution-api through 2.3.7 contains an incorrect array comparison in the metricsIPWhitelist middleware that always evaluates to false, allowing unauthenticated access to the /metrics endpoint. Attackers can bypass IP whitelist restrictions to access sensitive metrics disclosing server version, database client name, configured server URL, and WhatsApp instance details.
SeverityMedium
CVSS5.3
Exploit probability—
ProductEvolution-foundation Evolution-api
PublishedSep 15, 2026
First seenSep 15, 2026
Weakness typeCWE-697CWE-697
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| evolution-foundation evolution-api | v ≤ 2.3.7 | — |
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